* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
/* Now with added unF! ;) */
-using namespace std;
-
+#include <algorithm>
#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.h"
-#include <unistd.h>
+#include "configreader.h"
#include <fcntl.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
-#include <sys/utsname.h>
+#include <signal.h>
#include <time.h>
#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
+#include <exception>
+#include <stdexcept>
+#include <new>
#include <map>
#include <sstream>
+#include <fstream>
#include <vector>
#include <deque>
#ifdef THREADED_DNS
int WHOWAS_STALE = 48; // default WHOWAS Entries last 2 days before they go 'stale'
int WHOWAS_MAX = 100; // default 100 people maximum in the WHOWAS list
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
+extern ModuleList modules;
+extern FactoryList factory;
std::vector<InspSocket*> module_sockets;
std::vector<userrec*> local_users;
extern int MODCOUNT;
-int openSockfd[MAXSOCKS];
-sockaddr_in client,server;
+extern char LOG_FILE[MAXBUF];
+int openSockfd[MAX_DESCRIPTORS];
+int yield_depth;
+int iterations = 0;
+
+insp_sockaddr client, server;
+
socklen_t length;
extern InspSocket* socket_ref[MAX_DESCRIPTORS];
// This table references users by file descriptor.
// its an array to make it VERY fast, as all lookups are referenced
// by an integer, meaning there is no need for a scan/search operation.
-userrec* fd_ref_table[65536];
+userrec* fd_ref_table[MAX_DESCRIPTORS];
Server* MyServer = new Server;
ServerConfig *Config = new ServerConfig;
user_hash clientlist;
chan_hash chanlist;
-whowas_hash whowas;
+
servernamelist servernames;
char lowermap[255];
-void AddServerName(std::string servername)
+void AddServerName(const std::string &servername)
{
log(DEBUG,"Adding server name: %s",servername.c_str());
- for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+
+ if(find(servernames.begin(), servernames.end(), servername) == servernames.end())
+ servernames.push_back(servername); /* Wasn't already there. */
+}
+
+const char* FindServerNamePtr(const std::string &servername)
+{
+ servernamelist::iterator iter = find(servernames.begin(), servernames.end(), servername);
+
+ if(iter == servernames.end())
+ {
+ AddServerName(servername);
+ iter = --servernames.end();
+ }
+
+ return iter->c_str();
+}
+
+bool FindServerName(const std::string &servername)
+{
+ return (find(servernames.begin(), servernames.end(), servername) != servernames.end());
+}
+
+void Exit(int status)
+{
+ if (Config->log_file)
+ fclose(Config->log_file);
+ send_error("Server shutdown.");
+ exit (status);
+}
+
+void Start()
+{
+ printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
+ printf("(C) ChatSpike Development team.\033[0m\n\n");
+ printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om\033[0m\n");
+ printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
+ printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
+}
+
+void Killed(int status)
+{
+ if (Config->log_file)
+ fclose(Config->log_file);
+ send_error("Server terminated.");
+ exit(status);
+}
+
+void Rehash(int status)
+{
+ WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
+ fclose(Config->log_file);
+ OpenLog(NULL,0);
+ Config->Read(false,NULL);
+ FOREACH_MOD(I_OnRehash,OnRehash(""));
+}
+
+void SetSignals()
+{
+ signal (SIGALRM, SIG_IGN);
+ signal (SIGHUP, Rehash);
+ signal (SIGPIPE, SIG_IGN);
+ signal (SIGTERM, Exit);
+ signal (SIGSEGV, Error);
+}
+
+bool DaemonSeed()
+{
+ int childpid;
+ if ((childpid = fork ()) < 0)
+ return (ERROR);
+ else if (childpid > 0)
{
- if (*a == servername)
- return;
+ /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
+ sleep(6);
+ exit (0);
}
- servernames.push_back(servername);
+ setsid ();
+ umask (007);
+ printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
+
+ rlimit rl;
+ if (getrlimit(RLIMIT_CORE, &rl) == -1)
+ {
+ log(DEFAULT,"Failed to getrlimit()!");
+ return false;
+ }
+ else
+ {
+ rl.rlim_cur = rl.rlim_max;
+ if (setrlimit(RLIMIT_CORE, &rl) == -1)
+ log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
+ }
+
+ return true;
}
-const char* FindServerNamePtr(std::string servername)
+void WritePID(const std::string &filename)
{
- for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
+ std::ofstream outfile(filename.c_str());
+ if (outfile.is_open())
{
- if (*a == servername)
- return a->c_str();
+ outfile << getpid();
+ outfile.close();
+ }
+ else
+ {
+ printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
+ log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
+ Exit(0);
}
- AddServerName(servername);
- return FindServerNamePtr(servername);
}
std::string InspIRCd::GetRevision()
{
- /* w00t got me to replace a bunch of strtok_r
- * with something nicer, so i did this. Its the
- * same thing really, only in C++. It places the
- * text into a std::stringstream which is a readable
- * and writeable buffer stream, and then pops two
- * words off it, space delimited. Because it reads
- * into the same variable twice, the first word
- * is discarded, and the second one returned.
- */
- std::stringstream Revision("$Revision$");
- std::string single;
- Revision >> single >> single;
- return single;
+ return REVISION;
}
void InspIRCd::MakeLowerMap()
printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
Exit(ERROR);
}
+ *LOG_FILE = 0;
if (argc > 1) {
for (int i = 1; i < argc; i++)
{
- if (!strcmp(argv[i],"-nofork")) {
+ if (!strcmp(argv[i],"-nofork"))
+ {
Config->nofork = true;
}
- if (!strcmp(argv[i],"-wait")) {
+ else if(!strcmp(argv[i],"-debug"))
+ {
+ Config->forcedebug = true;
+ }
+ else if(!strcmp(argv[i],"-nolog"))
+ {
+ Config->writelog = false;
+ }
+ else if (!strcmp(argv[i],"-wait"))
+ {
sleep(6);
}
- if (!strcmp(argv[i],"-nolimit")) {
- Config->unlimitcore = true;
+ else if (!strcmp(argv[i],"-nolimit"))
+ {
+ printf("WARNING: The `-nolimit' option is deprecated, and now on by default. This behaviour may change in the future.\n");
+ }
+ else if (!strcmp(argv[i],"-logfile"))
+ {
+ if (argc > i+1)
+ {
+ strlcpy(LOG_FILE,argv[i+1],MAXBUF);
+ printf("LOG: Setting logfile to %s\n",LOG_FILE);
+ }
+ else
+ {
+ printf("ERROR: The -logfile parameter must be followed by a log file name and path.\n");
+ Exit(ERROR);
+ }
}
}
}
this->MakeLowerMap();
- OpenLog(argv, argc);
- Config->ClearStack();
- Config->Read(true,NULL);
- CheckRoot();
+ OpenLog(argv, argc);
+ this->stats = new serverstats();
+ Config->ClearStack();
+ Config->Read(true,NULL);
+ CheckRoot();
this->ModeGrok = new ModeParser();
this->Parser = new CommandParser();
- this->stats = new serverstats();
- AddServerName(Config->ServerName);
- CheckDie();
- stats->BoundPortCount = BindPorts();
+ AddServerName(Config->ServerName);
+ CheckDie();
+ stats->BoundPortCount = BindPorts(true);
for(int t = 0; t < 255; t++)
Config->global_implementation[t] = 0;
memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
- printf("\n");
+ printf("\n");
SetSignals();
- if (!Config->nofork)
- {
- if (DaemonSeed() == ERROR)
- {
- printf("ERROR: could not go into daemon mode. Shutting down.\n");
- Exit(ERROR);
- }
- }
-
- /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
- * initialize the socket engine.
- */
- SE = new SocketEngine();
-
- /* We must load the modules AFTER initializing the socket engine, now */
+ if (!Config->nofork)
+ {
+ if (!DaemonSeed())
+ {
+ printf("ERROR: could not go into daemon mode. Shutting down.\n");
+ Exit(ERROR);
+ }
+ }
+
+ /* Because of limitations in kqueue on freebsd, we must fork BEFORE we
+ * initialize the socket engine.
+ */
+ SE = new SocketEngine();
+
+ /* We must load the modules AFTER initializing the socket engine, now */
return;
}
#else
char dnsengine[] = "singlethread";
#endif
- snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
+ if (*Config->CustomVersion)
+ {
+ snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);
+ }
+ else
+ {
+ snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%lu,%s,%s]",VERSION,Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
+ }
return versiondata;
}
{
if (v == j)
{
- factory.erase(t);
- factory.push_back(NULL);
- return;
- }
+ factory.erase(t);
+ factory.push_back(NULL);
+ return;
+ }
v++;
- }
+ }
}
void InspIRCd::erase_module(int j)
{
int v1 = 0;
for (std::vector<Module*>::iterator m = modules.begin(); m!= modules.end(); m++)
- {
- if (v1 == j)
- {
+ {
+ if (v1 == j)
+ {
delete *m;
- modules.erase(m);
- modules.push_back(NULL);
+ modules.erase(m);
+ modules.push_back(NULL);
break;
- }
+ }
v1++;
- }
+ }
int v2 = 0;
- for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)
- {
- if (v2 == j)
- {
- Config->module_names.erase(v);
- break;
- }
+ for (std::vector<std::string>::iterator v = Config->module_names.begin(); v != Config->module_names.end(); v++)
+ {
+ if (v2 == j)
+ {
+ Config->module_names.erase(v);
+ break;
+ }
v2++;
- }
+ }
}
void InspIRCd::MoveTo(std::string modulename,int slot)
{
unsigned int v2 = 256;
- log(DEBUG,"Moving %s to slot %d",modulename.c_str(),slot);
for (unsigned int v = 0; v < Config->module_names.size(); v++)
{
if (Config->module_names[v] == modulename)
break;
}
}
- if (v2 == slot)
- {
- log(DEBUG,"Item %s already in slot %d!",modulename.c_str(),slot);
- }
- else if (v2 < 256)
+ if ((v2 != (unsigned int)slot) && (v2 < 256))
{
// Swap the module names over
Config->module_names[v2] = Config->module_names[slot];
Config->implement_lists[v2][n] = Config->implement_lists[slot][n];
Config->implement_lists[slot][n] = x;
}
- log(DEBUG,"Moved %s to slot successfully",modulename.c_str());
}
else
{
}
}
+void InspIRCd::MoveAfter(std::string modulename, std::string after)
+{
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == after)
+ {
+ MoveTo(modulename, v);
+ return;
+ }
+ }
+}
+
+void InspIRCd::MoveBefore(std::string modulename, std::string before)
+{
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == before)
+ {
+ if (v > 0)
+ {
+ MoveTo(modulename, v-1);
+ }
+ else
+ {
+ MoveTo(modulename, v);
+ }
+ return;
+ }
+ }
+}
+
void InspIRCd::MoveToFirst(std::string modulename)
{
MoveTo(modulename,0);
void InspIRCd::BuildISupport()
{
- // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
+ // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
std::stringstream v;
- v << "WALLCHOPS MODES=13 CHANTYPES=# PREFIX=(ohv)@%+ MAP SAFELIST MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 NICKLEN=" << NICKMAX;
- v << " CASEMAPPING=rfc1459 STATUSMSG=@+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=20 AWAYLEN=";
- v << MAXAWAY << " CHANMODES=ohvb,k,l,psmnti NETWORK=" << Config->Network;
+ v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=(ohv)@%+ MAP MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
+ v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
+ v << MAXAWAY << " CHANMODES=b,k,l,psmnti FNC NETWORK=" << Config->Network << " MAXPARA=32";
Config->data005 = v.str();
FOREACH_MOD(I_On005Numeric,On005Numeric(Config->data005));
}
modules[j]->OnCleanup(TYPE_USER,u->second);
}
- for(int t = 0; t < 255; t++)
+ FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
+
+ for(int t = 0; t < 255; t++)
{
Config->global_implementation[t] -= Config->implement_lists[j][t];
}
}
}
- FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
// found the module
log(DEBUG,"Deleting module...");
erase_module(j);
log(DEBUG,"Erasing module entry...");
erase_factory(j);
- log(DEBUG,"Removing dependent commands...");
- Parser->RemoveCommands(filename);
+ log(DEBUG,"Removing dependent commands...");
+ Parser->RemoveCommands(filename);
log(DEFAULT,"Module %s unloaded",filename);
MODCOUNT--;
BuildISupport();
#endif
std::string filename_str = filename;
#ifndef STATIC_LINK
+#ifndef IS_CYGWIN
if (!DirValid(modfile))
{
log(DEFAULT,"Module %s is not within the modules directory.",modfile);
snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
return false;
}
+#endif
#endif
log(DEBUG,"Loading module: %s",modfile);
#ifndef STATIC_LINK
- if (FileExists(modfile))
- {
+ if (FileExists(modfile))
+ {
#endif
for (unsigned int j = 0; j < Config->module_names.size(); j++)
{
}
}
ircd_module* a = new ircd_module(modfile);
- factory[MODCOUNT+1] = a;
- if (factory[MODCOUNT+1]->LastError())
- {
- log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
+ factory[MODCOUNT+1] = a;
+ if (factory[MODCOUNT+1]->LastError())
+ {
+ log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
- MODCOUNT--;
return false;
- }
- if (factory[MODCOUNT+1]->factory)
- {
- Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
- modules[MODCOUNT+1] = m;
- /* save the module and the module's classfactory, if
- * this isnt done, random crashes can occur :/ */
- Config->module_names.push_back(filename);
-
- char* x = &Config->implement_lists[MODCOUNT+1][0];
- for(int t = 0; t < 255; t++)
- x[t] = 0;
+ }
+ try
+ {
+ if (factory[MODCOUNT+1]->factory)
+ {
+ Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
+ modules[MODCOUNT+1] = m;
+ /* save the module and the module's classfactory, if
+ * this isnt done, random crashes can occur :/ */
+ Config->module_names.push_back(filename);
- modules[MODCOUNT+1]->Implements(x);
+ char* x = &Config->implement_lists[MODCOUNT+1][0];
+ for(int t = 0; t < 255; t++)
+ x[t] = 0;
- for(int t = 0; t < 255; t++)
+ modules[MODCOUNT+1]->Implements(x);
+
+ for(int t = 0; t < 255; t++)
+ Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
+ }
+ else
{
- Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
- if (Config->implement_lists[MODCOUNT+1][t])
- {
- log(DEBUG,"Add global implementation: %d %d => %d",MODCOUNT+1,t,Config->global_implementation[t]);
- }
+ log(DEFAULT,"Unable to load %s",modfile);
+ snprintf(MODERR,MAXBUF,"Factory function failed!");
+ return false;
}
- }
- else
- {
- log(DEFAULT,"Unable to load %s",modfile);
- snprintf(MODERR,MAXBUF,"Factory function failed!");
+ }
+ catch (ModuleException& modexcept)
+ {
+ log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason());
return false;
- }
+ }
#ifndef STATIC_LINK
- }
- else
- {
- log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
+ }
+ else
+ {
+ log(DEFAULT,"InspIRCd: startup: Module Not Found %s",modfile);
snprintf(MODERR,MAXBUF,"Module file could not be found");
return false;
- }
+ }
#endif
MODCOUNT++;
FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[MODCOUNT],filename_str));
// and if they do, move them there.
std::vector<std::string> put_to_back;
std::vector<std::string> put_to_front;
+ std::map<std::string,std::string> put_before;
+ std::map<std::string,std::string> put_after;
for (unsigned int j = 0; j < Config->module_names.size(); j++)
{
if (modules[j]->Prioritize() == PRIORITY_LAST)
{
put_to_front.push_back(Config->module_names[j]);
}
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)
+ {
+ put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ }
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
+ {
+ put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ }
}
for (unsigned int j = 0; j < put_to_back.size(); j++)
{
{
MoveToFirst(put_to_front[j]);
}
+ for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
+ {
+ MoveBefore(j->first,j->second);
+ }
+ for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
+ {
+ MoveAfter(j->first,j->second);
+ }
BuildISupport();
return true;
}
-int InspIRCd::Run()
+void InspIRCd::DoOneIteration(bool process_module_sockets)
{
- bool expire_run = false;
int activefds[MAX_DESCRIPTORS];
int incomingSockfd;
int in_port;
userrec* cu = NULL;
InspSocket* s = NULL;
InspSocket* s_del = NULL;
- char* target;
unsigned int numberactive;
- sockaddr_in sock_us; // our port number
- socklen_t uslen; // length of our port number
+ insp_sockaddr sock_us; // our port number
+ socklen_t uslen; // length of our port number
- /* Until THIS point, ServerInstance == NULL */
-
- LoadAllModules(this);
+ if (yield_depth > 100)
+ return;
- printf("\nInspIRCd is now running!\n");
-
- if (!Config->nofork)
- {
- freopen("/dev/null","w",stdout);
- freopen("/dev/null","w",stderr);
- }
+ yield_depth++;
- /* Add the listening sockets used for client inbound connections
- * to the socket engine
+ /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
+ * Once per loop iteration is pleanty.
*/
- for (int count = 0; count < stats->BoundPortCount; count++)
- SE->AddFd(openSockfd[count],true,X_LISTEN);
-
- WritePID(Config->PID);
-
- /* main loop, this never returns */
- for (;;)
- {
- /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
- * Once per loop iteration is pleanty.
- */
- OLDTIME = TIME;
- TIME = time(NULL);
-
- /* Run background module timers every few seconds
- * (the docs say modules shouldnt rely on accurate
- * timing using this event, so we dont have to
- * time this exactly).
- */
- if (((TIME % 8) == 0) && (!expire_run))
+ OLDTIME = TIME;
+ TIME = time(NULL);
+
+ /* Run background module timers every few seconds
+ * (the docs say modules shouldnt rely on accurate
+ * timing using this event, so we dont have to
+ * time this exactly).
+ */
+ if (((TIME % 5) == 0) && (!expire_run))
+ {
+ expire_lines();
+ if (process_module_sockets)
{
- expire_lines();
+ /* Fix by brain - the addition of DoOneIteration means that this
+ * can end up getting called recursively in the following pattern:
+ *
+ * m_spanningtree DoPingChecks
+ * (server pings out and is squit)
+ * (squit causes call to DoOneIteration)
+ * DoOneIteration enters here
+ * calls DoBackground timer
+ * enters m_spanningtree DoPingChecks... see step 1.
+ *
+ * This should do the job and fix the bug.
+ */
FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
- expire_run = true;
- continue;
}
- else if ((TIME % 8) == 1)
+ TickMissedTimers(TIME);
+ expire_run = true;
+ yield_depth--;
+ return;
+ }
+ else if ((TIME % 5) == 1)
+ {
+ expire_run = false;
+ }
+
+ if (iterations++ == 15)
+ {
+ iterations = 0;
+ DoBackgroundUserStuff(TIME);
+ }
+
+ /* Once a second, do the background processing */
+ if (TIME != OLDTIME)
+ {
+ if (TIME < OLDTIME)
+ WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
+ if ((TIME % 3600) == 0)
{
- expire_run = false;
+ MaintainWhoWas(TIME);
}
-
- /* Once a second, do the background processing */
- if (TIME != OLDTIME)
- DoBackgroundUserStuff(TIME);
-
- /* Call the socket engine to wait on the active
- * file descriptors. The socket engine has everything's
- * descriptors in its list... dns, modules, users,
- * servers... so its nice and easy, just one call.
- */
- if (!(numberactive = SE->Wait(activefds)))
- continue;
-
- /**
- * Now process each of the fd's. For users, we have a fast
- * lookup table which can find a user by file descriptor, so
- * processing them by fd isnt expensive. If we have a lot of
- * listening ports or module sockets though, things could get
- * ugly.
- */
- for (unsigned int activefd = 0; activefd < numberactive; activefd++)
- {
- int socket_type = SE->GetType(activefds[activefd]);
- switch (socket_type)
- {
- case X_ESTAB_CLIENT:
+ }
- cu = fd_ref_table[activefds[activefd]];
- if (cu)
- ProcessUser(cu);
+ /* Process timeouts on module sockets each time around
+ * the loop. There shouldnt be many module sockets, at
+ * most, 20 or so, so this won't be much of a performance
+ * hit at all.
+ */
+ if (process_module_sockets)
+ DoSocketTimeouts(TIME);
+
+ TickTimers(TIME);
+
+ /* Call the socket engine to wait on the active
+ * file descriptors. The socket engine has everything's
+ * descriptors in its list... dns, modules, users,
+ * servers... so its nice and easy, just one call.
+ */
+ if (!(numberactive = SE->Wait(activefds)))
+ {
+ yield_depth--;
+ return;
+ }
- break;
+ /**
+ * Now process each of the fd's. For users, we have a fast
+ * lookup table which can find a user by file descriptor, so
+ * processing them by fd isnt expensive. If we have a lot of
+ * listening ports or module sockets though, things could get
+ * ugly.
+ */
+ log(DEBUG,"There are %d fd's to process.",numberactive);
- case X_ESTAB_MODULE:
+ for (unsigned int activefd = 0; activefd < numberactive; activefd++)
+ {
+ int socket_type = SE->GetType(activefds[activefd]);
+ switch (socket_type)
+ {
+ case X_ESTAB_CLIENT:
- /* Process module-owned sockets.
- * Modules are encouraged to inherit their sockets from
- * InspSocket so we can process them neatly like this.
- */
- s = socket_ref[activefds[activefd]];
+ log(DEBUG,"Type: X_ESTAB_CLIENT: fd=%d",activefds[activefd]);
+ cu = fd_ref_table[activefds[activefd]];
+ if (cu)
+ ProcessUser(cu);
+
+ break;
+
+ case X_ESTAB_MODULE:
- if ((s) && (!s->Poll()))
+ log(DEBUG,"Type: X_ESTAB_MODULE: fd=%d",activefds[activefd]);
+
+ if (!process_module_sockets)
+ break;
+
+ /* Process module-owned sockets.
+ * Modules are encouraged to inherit their sockets from
+ * InspSocket so we can process them neatly like this.
+ */
+ s = socket_ref[activefds[activefd]];
+
+ if ((s) && (!s->Poll()))
+ {
+ log(DEBUG,"inspircd.cpp: Socket poll returned false, close and bail");
+ SE->DelFd(s->GetFd());
+ socket_ref[activefds[activefd]] = NULL;
+ for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
{
- log(DEBUG,"Socket poll returned false, close and bail");
- SE->DelFd(s->GetFd());
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
+ s_del = (InspSocket*)*a;
+ if ((s_del) && (s_del->GetFd() == activefds[activefd]))
{
- s_del = (InspSocket*)*a;
- if ((s_del) && (s_del->GetFd() == activefds[activefd]))
- {
- module_sockets.erase(a);
- break;
- }
+ module_sockets.erase(a);
+ break;
}
- s->Close();
- delete s;
}
+ s->Close();
+ delete s;
+ }
+ else if (!s)
+ {
+ log(DEBUG,"WTF, X_ESTAB_MODULE for nonexistent InspSocket, removed!");
+ SE->DelFd(s->GetFd());
+ }
+ break;
+
+ case X_ESTAB_DNS:
+ /* When we are using single-threaded dns,
+ * the sockets for dns end up in our mainloop.
+ * When we are using multi-threaded dns,
+ * each thread has its own basic poll() loop
+ * within it, making them 'fire and forget'
+ * and independent of the mainloop.
+ */
+#ifndef THREADED_DNS
+ log(DEBUG,"Type: X_ESTAB_DNS: fd=%d",activefds[activefd]);
+ dns_poll(activefds[activefd]);
+#endif
+ break;
- break;
+ case X_LISTEN:
- case X_ESTAB_DNS:
+ log(DEBUG,"Type: X_LISTEN_MODULE: fd=%d",activefds[activefd]);
- /* When we are using single-threaded dns,
- * the sockets for dns end up in our mainloop.
- * When we are using multi-threaded dns,
- * each thread has its own basic poll() loop
- * within it, making them 'fire and forget'
- * and independent of the mainloop.
+ /* It's a listener */
+ uslen = sizeof(sock_us);
+ length = sizeof(client);
+ incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
+
+ if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)))
+ {
+ in_port = ntohs(sock_us.sin_port);
+ log(DEBUG,"Accepted socket %d",incomingSockfd);
+ /* Years and years ago, we used to resolve here
+ * using gethostbyaddr(). That is sucky and we
+ * don't do that any more...
*/
-#ifndef THREADED_DNS
- dns_poll(activefds[activefd]);
-#endif
- break;
-
- case X_LISTEN:
-
- /* It's a listener */
- uslen = sizeof(sock_us);
- length = sizeof(client);
- incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
- if (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen))
+ NonBlocking(incomingSockfd);
+ if (Config->GetIOHook(in_port))
{
- in_port = ntohs(sock_us.sin_port);
- log(DEBUG,"Accepted socket %d",incomingSockfd);
- target = (char*)inet_ntoa(client.sin_addr);
- /* Years and years ago, we used to resolve here
- * using gethostbyaddr(). That is sucky and we
- * don't do that any more...
- */
- if (incomingSockfd >= 0)
+ try
{
- NonBlocking(incomingSockfd);
- if (Config->GetIOHook(in_port))
- {
- Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, target, in_port);
- }
- stats->statsAccept++;
- AddClient(incomingSockfd, target, in_port, false, target);
- log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
+ Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, (char*)inet_ntoa(client.sin_addr), in_port);
}
- else
+ catch (ModuleException& modexcept)
{
- WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)in_port,target);
- log(DEBUG,"accept failed: %lu",(unsigned long)in_port);
- stats->statsRefused++;
+ log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
}
}
- else
- {
- log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd);
- shutdown(incomingSockfd,2);
- close(incomingSockfd);
- }
- break;
+ stats->statsAccept++;
+ AddClient(incomingSockfd, in_port, false, client.sin_addr);
+ log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
+ }
+ else
+ {
+ log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
+ shutdown(incomingSockfd,2);
+ close(incomingSockfd);
+ stats->statsRefused++;
+ }
+ break;
- default:
- /* Something went wrong if we're in here.
- * In fact, so wrong, im not quite sure
- * what we would do, so for now, its going
- * to safely do bugger all.
- */
- break;
- }
+ default:
+ /* Something went wrong if we're in here.
+ * In fact, so wrong, im not quite sure
+ * what we would do, so for now, its going
+ * to safely do bugger all.
+ */
+ log(DEBUG,"Type: X_WHAT_THE_FUCK_BBQ: fd=%d",activefds[activefd]);
+ SE->DelFd(activefds[activefd]);
+ break;
}
+ }
+ yield_depth--;
+}
+
+int InspIRCd::Run()
+{
+ /* Until THIS point, ServerInstance == NULL */
+
+ LoadAllModules(this);
+ /* Just in case no modules were loaded - fix for bug #101 */
+ this->BuildISupport();
+
+ printf("\nInspIRCd is now running!\n");
+
+ if (!Config->nofork)
+ {
+ fclose(stdout);
+ fclose(stderr);
+ fclose(stdin);
+ }
+
+ /* Add the listening sockets used for client inbound connections
+ * to the socket engine
+ */
+ for (int count = 0; count < stats->BoundPortCount; count++)
+ SE->AddFd(openSockfd[count],true,X_LISTEN);
+
+ WritePID(Config->PID);
+
+ /* main loop, this never returns */
+ expire_run = false;
+ yield_depth = 0;
+ iterations = 0;
+
+ while (true)
+ {
+ DoOneIteration(true);
}
/* This is never reached -- we hope! */
return 0;
int main(int argc, char** argv)
{
- ServerInstance = new InspIRCd(argc, argv);
- ServerInstance->Run();
- delete ServerInstance;
- return 0;
+ try
+ {
+ ServerInstance = new InspIRCd(argc, argv);
+ ServerInstance->Run();
+ delete ServerInstance;
+ }
+ catch (std::bad_alloc)
+ {
+ log(DEFAULT,"You are out of memory! (got exception std::bad_alloc!)");
+ send_error("**** OUT OF MEMORY **** We're gonna need a bigger boat!");
+ printf("Out of memory! (got exception std::bad_alloc!");
+ }
+ return 0;
}
-
projects / user / henk / code / inspircd.git / blobdiff